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s'more

n. (context US English) A snack food made by combining graham crackers, marshmallows (frequently toasted) and chocolate, a typical camping fireside treat.

Wikipedia
S'more

A s'more (sometimes spelled smore) is a traditional nighttime campfire treat popular in the United States and Canada, consisting of a fire-roasted marshmallow and a layer of chocolate sandwiched between two pieces of graham cracker. National S'mores Day is celebrated annually on August 10. The Guinness World Record for number of people making s'mores at one time was 423, set April 21, 2016 in Huntington Beach, California.